Lead I - Java & React.js Full-Stack Cloud Engineer

• *Role description**

• *Java \& React.js Full\-Stack Cloud Engineer****Job Summary**

We are looking for a skilled **Full\-Stack Cloud Engineer** with strong hands\-on expertise in **Java** and **Spring Boot**, along with **React.js with TypeScript** and **AWS Lambda**. The role involves designing and developing modern full\-stack applications, containerized microservices, serverless workflows, cloud infrastructure, security integrations, CI/CD pipelines, and observability solutions on AWS.

The ideal candidate will bring strong proficiency across **Java, Spring Boot, AWS Lambda, React.js with TypeScript, and AWS services**, supported by experience across containerization, orchestration, databases, identity management, messaging, infrastructure automation, and DevOps.

• *Key Responsibilities**
• Design, develop, and maintain backend microservices using **Java** and **Spring Boot**, including data services and Backend\-for\-Frontend (BFF) components.
• Develop responsive frontend applications using **React.js with TypeScript**, incorporating **Redux Toolkit** for application state management.
• Build and maintain serverless application components using **AWS Lambda**, including WebSocket event and callback processing.
• Work across **AWS services** to implement scalable cloud\-based application architectures.
• Containerize backend services using **Docker** and deploy and operate workloads using **Amazon ECS**.
• Implement business workflow orchestration using **AWS Step Functions**.
• Configure and integrate **API Gateway** for REST and WebSocket\-based application communication.
• Work with relational and document\-oriented data stores using **Aurora PostgreSQL** and **DocumentDB**.
• Implement authentication and Single Sign\-On integrations using **Keycloak** and **Microsoft Entra ID**, including enterprise Azure SSO scenarios.
• Develop UI delivery solutions using **AWS CloudFront**.
• Implement event\-driven and notification workflows using **AWS SNS, SQS, and SES**.
• Apply **AWS IAM** and **Secrets Manager** for role, permission, and credential security.
• Support infrastructure automation using **CloudFormation** and **Shell scripting**.
• Configure application and infrastructure monitoring, logging, and ing using **CloudWatch**.
• Use **Azure DevOps** to support source control and automated build and deployment pipelines.

• *Skills**

TypeScript, React, AWS, AWS, AWS CloudFormation, React, TypeScript

• *About UST**

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future\-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.